Which bacteria can be found in the nose and throat and on the hair and skin of more than half the healthy human population?

• A) E.coli
• B) Vibrio
• C) Staphylococcus aureus
• D) Bacillus

Lactobacillus. sakei, a------------ lactic acid bacterium, was first isolated from sake, a Japanese rice beer that is produced partly by lactic acid fermentation.

• A) none
• B) Mesophilic
• C) Thermophilic
• D) Psychrophilic

In bioreactor, Pumping is done for

• A) Achieving constant cell growth
• B) All of above
• C) Blending of mixtures
• D) Exchange of heat from the bioreactor

Some plants are made resistant to pests by using a gene from

• A) Rice
• B) Corn
• C) Bacteria
• D) Plant

The experiments on principle of transformation was done by using bacteria ------------

• A) Acidithiobacillus
• B) Streptococcus pneumonia
• C) Sulfobacillus
• D) Thiobacillus ferroxidans

Microbial mining is where acidophilic bacteria, such as are used to obtain copper from their ore. Acidic solution is showered over the copper ore, to increase bacterial growth residing in the soil surrounding the ore

• A) Thiobacillus ferroxidans
• B) Sulfobacillus
• C) None
• D) Acidithiobacillus thiooxidans

The Report (1980) presented by ---------- defined biotechnology as ‘the application of biological organisms, systems or processes to the manufacturing and service industries

• A) Spinks
• B) Watson
• C) United States Congress’s Office of Technology Assessment
• D) Chase

Microbes are responsible for the cycling of Which element in (geochemical cycles)?

• A) phosphorus
• B) carbon
• C) nitrogen
• D) ALL

Biodiesel, Biogas and syngas is an example of

• A) First generation biofuel
• B) Second generation biofuel
• C) Third generation biofuel
• D) All of above

In 1680 who studied first observed yeast cells with his newly designed microscope

• A) Alexander Fleming
• B) Watson Crick
• C) Antony Van Leeuwenhoek
• D) Frederick Griffith

A condition of living within the body or cells of another organism is called ----------

• A) Symbiosis
• B) Endosymbiosis
• C) Ectosymbiosis
• D) Endoparasitism

Pyrethrum flower is an example of

• A) Natural pesticide
• B) Pesticide
• C) Artificial pesticide
• D) Chemical pesticide

The lower limit of eye's resolution is about ---------------

• A) 0.1 to 0.5 mm or 100 - 200 um
• B) 0.1 to 0.2 mm or 100 - 200 um
• C) 0.1 to 0.2 mm or 100 - 300 um
• D) 0.3 to 0.6 mm or 100 - 200 um

The rate of decomposition depend on two factors -------------- (too little or too much of either reduces the rate of decomposition).

• A) moisture and gases
• B) moisture and temperature
• C) moisture and pressure
• D) moisture and Air

The most commonly isolated fungal species is-------------. Which is especially prevalent in areas of the skin enriched in sebaceous glands.

• A) None
• B) E.coli
• C) Amanita sp
• D) Malassezia sp

Microorganisms digest harmful chemicals, such as pollutants and chemical wastes produced by the industry through a process known as ----------

• A) bioabsorption
• B) biomining
• C) composting
• D) bioremediation

The vaccine is then formulated by adding ------- to prolong the storage life or preservatives to allow multi-dose vials to be used safely as needed.

• A) None
• B) Stabilizers
• C) Regulator
• D) Promoter

Fed-batch fermentation have following types.

• A) Cyclic Fed Batch Culture
• B) Variable Volume Fed Batch Culture
• C) Fixed Volume Fed Batch Culture
• D) All of above

The most commonly used microorganisms to degrade toxic materials like oil, petroleum, plastic, etc has opened a new field of research are --------------

• A) None
• B) Alcanivorax
• C) Both of above
• D) Pseudomonas

In the mid-1860’s, who studies on inheritable traits of peas improved our understanding of genetic inheritance and lead to practices of cross-breeding

• A) Alexander crick
• B) Antony Van Leeuwenhoek
• C) Gregor Mendel
• D) John Dalton